Prepare DB collation before dumping data

tasks/collect_download/collect.yml

@@ -26,6 +26,12 @@
         collectFilename: '{{ drushAlias }}.sql'
       when: collectTask == 'db'
 
+    - name: Prepare DB collation
+      shell: drush -y {{ drushAlias }} eval "print(\Drupal::database()->getConnectionOptions()['database'])" | xargs -I % mysql --defaults-file=~/.my.cnf --execute 'select concat("alter table ",TABLE_SCHEMA,".",TABLE_NAME," CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;") from information_schema.TABLES where TABLE_SCHEMA="%" and TABLE_COLLATION="utf8mb4_0900_ai_ci"' | grep ^alter | mysql --defaults-file=~/.my.cnf
+      args:
+        chdir: '{{ webRoot }}'
+      when: collectTask == 'db' and drush_status is defined and ('Successful' in drush_status.stdout|default('') or 'Erfolgreich' in drush_status.stdout|default(''))
+
     - name: Dump DB
       shell: drush -y {{ drushAlias }} sql-dump --result-file={{ collectPath }}/{{ collectFilename }}
       args: